{"id":4452,"date":"2016-04-06T09:04:43","date_gmt":"2016-04-06T08:04:43","guid":{"rendered":"http:\/\/birds-in-flight.net\/?p=4452"},"modified":"2020-02-01T10:38:50","modified_gmt":"2020-02-01T09:38:50","slug":"rook-corvus-frugilegus","status":"publish","type":"post","link":"https:\/\/birds-in-flight.net\/?p=4452","title":{"rendered":"Rook<br> <em>Corvus frugilegus<\/em>"},"content":{"rendered":"<p><strong>&gt;&gt; GENERAL &gt;&gt;&gt;&gt;&gt;<\/strong><\/p>\n<p>&#8211; large passerine, size of <a href=\"https:\/\/birds-in-flight.net\/?p=5435\" target=\"_blank\" rel=\"noopener noreferrer\">Common Wood Pigeon<\/a><br \/>\n&#8211; diurnal migrant<br \/>\n&#8211; migrates in small to large, rather dense flocks<br \/>\n&#8211; regularly mixed with <a href=\"https:\/\/birds-in-flight.net\/?p=4469\" target=\"_blank\" rel=\"noopener noreferrer\">Western Jackdaw<\/a><\/p>\n<p><strong>&gt;&gt; VISUAL ID &gt;&gt;&gt;&gt;&gt;<\/strong><\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?attachment_id=4453\" target=\"_blank\" rel=\"attachment wp-att-4453 noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4453 size-full\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF900_MPU_PMA2037_101222_rook-1-1CY_d_erfurt.jpg\" alt=\"BIF900_MPU_PMA2037_101222_rook-1-1CY_d_erfurt\" width=\"1024\" height=\"683\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF900_MPU_PMA2037_101222_rook-1-1CY_d_erfurt.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF900_MPU_PMA2037_101222_rook-1-1CY_d_erfurt-300x200.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF900_MPU_PMA2037_101222_rook-1-1CY_d_erfurt-973x648.jpg 973w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF900_MPU_PMA2037_101222_rook-1-1CY_d_erfurt-508x338.jpg 508w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Rook Rook <em>Corvus f. frugilegus<\/em>, 1CY<\/strong><br \/>\nBIF0900, 22\/12\/2010, Erfurt, Germany, Mathias Putze<\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?attachment_id=4454\" target=\"_blank\" rel=\"attachment wp-att-4454 noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4454 size-full\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF901_MPU_PMA2036_101222_rook-1-1CY_d_erfurt.jpg\" alt=\"BIF901_MPU_PMA2036_101222_rook-1-1CY_d_erfurt\" width=\"1024\" height=\"683\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF901_MPU_PMA2036_101222_rook-1-1CY_d_erfurt.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF901_MPU_PMA2036_101222_rook-1-1CY_d_erfurt-300x200.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF901_MPU_PMA2036_101222_rook-1-1CY_d_erfurt-973x648.jpg 973w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF901_MPU_PMA2036_101222_rook-1-1CY_d_erfurt-508x338.jpg 508w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Rook <em>Corvus f. frugilegus<\/em>, 1CY<\/strong><br \/>\nBIF0901, 22\/12\/2010, Erfurt, Germany, Mathias Putze<\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?attachment_id=4455\" target=\"_blank\" rel=\"attachment wp-att-4455 noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4455 size-full\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF902_MPU_PMA1950_101222_rook-1-AD_d_erfurt.jpg\" alt=\"BIF902_MPU_PMA1950_101222_rook-1-AD_d_erfurt\" width=\"1024\" height=\"683\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF902_MPU_PMA1950_101222_rook-1-AD_d_erfurt.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF902_MPU_PMA1950_101222_rook-1-AD_d_erfurt-300x200.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF902_MPU_PMA1950_101222_rook-1-AD_d_erfurt-973x648.jpg 973w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF902_MPU_PMA1950_101222_rook-1-AD_d_erfurt-508x338.jpg 508w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Rook <em>Corvus f. frugilegus<\/em>, AD<\/strong><br \/>\nBIF0902, 22\/12\/2010, Erfurt, Germany, Mathias Putze<\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?attachment_id=4456\" target=\"_blank\" rel=\"attachment wp-att-4456 noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4456 size-full\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF903_MPU_PMA2014_101222_rook-1-AD_d_erfurt.jpg\" alt=\"BIF903_MPU_PMA2014_101222_rook-1-AD_d_erfurt\" width=\"1024\" height=\"683\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF903_MPU_PMA2014_101222_rook-1-AD_d_erfurt.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF903_MPU_PMA2014_101222_rook-1-AD_d_erfurt-300x200.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF903_MPU_PMA2014_101222_rook-1-AD_d_erfurt-973x648.jpg 973w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF903_MPU_PMA2014_101222_rook-1-AD_d_erfurt-508x338.jpg 508w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Rook <em>Corvus f. frugilegus<\/em>, AD<\/strong><br \/>\nBIF0903, 22\/12\/2010, Erfurt, Germany, Mathias Putze<\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?attachment_id=4457\" target=\"_blank\" rel=\"attachment wp-att-4457 noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4457 size-full\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF904_MPU_PUM0596_120206_rook-1-AD_d_schadebach.jpg\" alt=\"BIF904_MPU_PUM0596_120206_rook-1-AD_d_schadebach\" width=\"1024\" height=\"683\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF904_MPU_PUM0596_120206_rook-1-AD_d_schadebach.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF904_MPU_PUM0596_120206_rook-1-AD_d_schadebach-300x200.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF904_MPU_PUM0596_120206_rook-1-AD_d_schadebach-973x648.jpg 973w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF904_MPU_PUM0596_120206_rook-1-AD_d_schadebach-508x338.jpg 508w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Rook <em>Corvus f. frugilegus<\/em>, AD<\/strong><br \/>\nBIF0904, 06\/02\/2012, Schadebacher Teiche, Germany, Mathias Putze<\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?attachment_id=4458\" target=\"_blank\" rel=\"attachment wp-att-4458 noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4458 size-full\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF905_MPU_PMA4223_110108_rook-3_wjdaw-1_d_leipzig.jpg\" alt=\"BIF905_MPU_PMA4223_110108_rook-3_wjdaw-1_d_leipzig\" width=\"1024\" height=\"683\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF905_MPU_PMA4223_110108_rook-3_wjdaw-1_d_leipzig.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF905_MPU_PMA4223_110108_rook-3_wjdaw-1_d_leipzig-300x200.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF905_MPU_PMA4223_110108_rook-3_wjdaw-1_d_leipzig-973x648.jpg 973w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF905_MPU_PMA4223_110108_rook-3_wjdaw-1_d_leipzig-508x338.jpg 508w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Rook <em>Corvus f. frugilegus<\/em><br \/>\nWestern Jackdaw <em>Corvus monedula spermologus<\/em><\/strong><br \/>\nBIF0905, 08\/01\/2011, Leipzig, Germany, Mathias Putze<\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?attachment_id=4459\" target=\"_blank\" rel=\"attachment wp-att-4459 noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4459 size-full\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF906_MPU_PUM8870_120206_rook-FL_d_schadebach.jpg\" alt=\"BIF906_MPU_PUM8870_120206_rook-FL_d_schadebach\" width=\"1024\" height=\"683\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF906_MPU_PUM8870_120206_rook-FL_d_schadebach.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF906_MPU_PUM8870_120206_rook-FL_d_schadebach-300x200.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF906_MPU_PUM8870_120206_rook-FL_d_schadebach-973x648.jpg 973w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF906_MPU_PUM8870_120206_rook-FL_d_schadebach-508x338.jpg 508w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Rook <em>Corvus f. frugilegus<\/em><\/strong><br \/>\nBIF0906, 06\/02\/2012, Schadebacher Teiche, Germany, Mathias Putze<\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?attachment_id=4460\" target=\"_blank\" rel=\"attachment wp-att-4460 noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4460 size-full\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF907_MPU_PUM8887_120206_rook-FL_d_schadebach.jpg\" alt=\"BIF907_MPU_PUM8887_120206_rook-FL_d_schadebach\" width=\"1024\" height=\"683\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF907_MPU_PUM8887_120206_rook-FL_d_schadebach.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF907_MPU_PUM8887_120206_rook-FL_d_schadebach-300x200.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF907_MPU_PUM8887_120206_rook-FL_d_schadebach-973x648.jpg 973w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF907_MPU_PUM8887_120206_rook-FL_d_schadebach-508x338.jpg 508w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Rook <em>Corvus f. frugilegus<\/em><\/strong><br \/>\nBIF0907, 06\/02\/2012, Schadebacher Teiche, Germany, Mathias Putze<\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?attachment_id=4461\" target=\"_blank\" rel=\"attachment wp-att-4461 noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4461 size-full\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF908_MPU_PMA2931_110105_rook-FL_d_leipzig.jpg\" alt=\"BIF908_MPU_PMA2931_110105_rook-FL_d_leipzig\" width=\"1024\" height=\"683\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF908_MPU_PMA2931_110105_rook-FL_d_leipzig.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF908_MPU_PMA2931_110105_rook-FL_d_leipzig-300x200.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF908_MPU_PMA2931_110105_rook-FL_d_leipzig-973x648.jpg 973w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF908_MPU_PMA2931_110105_rook-FL_d_leipzig-508x338.jpg 508w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Rook <em>Corvus f. frugilegus<\/em><\/strong><br \/>\nBIF0908, 05\/01\/2011, Leipzig, Germany, Mathias Putze<\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?attachment_id=4462\" target=\"_blank\" rel=\"attachment wp-att-4462 noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4462 size-full\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF909_MPU_PMA4216_110108_rook-FL_d_leipzig.jpg\" alt=\"BIF909_MPU_PMA4216_110108_rook-FL_d_leipzig\" width=\"1024\" height=\"683\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF909_MPU_PMA4216_110108_rook-FL_d_leipzig.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF909_MPU_PMA4216_110108_rook-FL_d_leipzig-300x200.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF909_MPU_PMA4216_110108_rook-FL_d_leipzig-973x648.jpg 973w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF909_MPU_PMA4216_110108_rook-FL_d_leipzig-508x338.jpg 508w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Rook <em>Corvus f. frugilegus<\/em><br \/>\nWestern Jackdaw <em>Corvus monedula spermologus<\/em><\/strong><br \/>\nBIF0909, 08\/01\/2011, Leipzig, Germany, Mathias Putze<\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?attachment_id=4463\" target=\"_blank\" rel=\"attachment wp-att-4463 noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4463 size-full\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF910_MPU_PUM8892_120206_rook-FL_d_schadebach.jpg\" alt=\"BIF910_MPU_PUM8892_120206_rook-FL_d_schadebach\" width=\"1024\" height=\"683\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF910_MPU_PUM8892_120206_rook-FL_d_schadebach.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF910_MPU_PUM8892_120206_rook-FL_d_schadebach-300x200.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF910_MPU_PUM8892_120206_rook-FL_d_schadebach-973x648.jpg 973w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF910_MPU_PUM8892_120206_rook-FL_d_schadebach-508x338.jpg 508w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Rook <em>Corvus f. frugilegus<\/em><br \/>\nWestern Jackdaw <em>Corvus monedula spermologus<\/em><\/strong><br \/>\nBIF0910, 06\/02\/2012, Schadebacher Teiche, Germany, Mathias Putze<\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?attachment_id=4464\" target=\"_blank\" rel=\"attachment wp-att-4464 noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4464 size-full\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF911_MPU_PMA2404_110208_rook-FL_d_leipzig.jpg\" alt=\"BIF911_MPU_PMA2404_110208_rook-FL_d_leipzig\" width=\"1024\" height=\"683\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF911_MPU_PMA2404_110208_rook-FL_d_leipzig.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF911_MPU_PMA2404_110208_rook-FL_d_leipzig-300x200.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF911_MPU_PMA2404_110208_rook-FL_d_leipzig-973x648.jpg 973w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF911_MPU_PMA2404_110208_rook-FL_d_leipzig-508x338.jpg 508w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Rook <em>Corvus f. frugilegus<\/em><\/strong><br \/>\nBIF0911, 08\/02\/2011, Leipzig, Germany, Mathias Putze<\/p>\n<p><strong>&gt;&gt; ACOUSTIC ID &gt;&gt;&gt;&gt;&gt;<\/strong><\/p>\n<audio class=\"wp-audio-shortcode\" id=\"audio-4452-1\" preload=\"none\" style=\"width: 100%;\" controls=\"controls\"><source type=\"audio\/mpeg\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF912-1_PFR01061-1_1-11_071031_rook-frugilegus-FL-C-wjdaw-spec-C_d_sn_lpz_khs_MON.mp3?_=1\" \/><a href=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF912-1_PFR01061-1_1-11_071031_rook-frugilegus-FL-C-wjdaw-spec-C_d_sn_lpz_khs_MON.mp3\">https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF912-1_PFR01061-1_1-11_071031_rook-frugilegus-FL-C-wjdaw-spec-C_d_sn_lpz_khs_MON.mp3<\/a><\/audio>\n<p><a href=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF912-3_PFR01061-1_1-11_071031_rook-frugilegus-FL-C-wjdaw-spec-C_d_sn_lpz_khs_MON.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4466 size-full\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF912-3_PFR01061-1_1-11_071031_rook-frugilegus-FL-C-wjdaw-spec-C_d_sn_lpz_khs_MON.jpg\" alt=\"BIF912-3_PFR01061-1_1-11_071031_rook-frugilegus-FL-C-wjdaw-spec-C_d_sn_lpz_khs_MON\" width=\"1024\" height=\"539\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF912-3_PFR01061-1_1-11_071031_rook-frugilegus-FL-C-wjdaw-spec-C_d_sn_lpz_khs_MON.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF912-3_PFR01061-1_1-11_071031_rook-frugilegus-FL-C-wjdaw-spec-C_d_sn_lpz_khs_MON-300x157.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF912-3_PFR01061-1_1-11_071031_rook-frugilegus-FL-C-wjdaw-spec-C_d_sn_lpz_khs_MON-973x512.jpg 973w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2016\/04\/BIF912-3_PFR01061-1_1-11_071031_rook-frugilegus-FL-C-wjdaw-spec-C_d_sn_lpz_khs_MON-508x267.jpg 508w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong><em>Rook Corvus f. frugilegus<\/em><br \/>\nWestern Jackdaw <em>Corvus monedula spermologus<\/em><\/strong><br \/>\nBIF0912, 31\/10\/2007, Leipzig, Germany, PFR<\/p>\n<p><strong>&gt;&gt; COMPARISON SPECIES &gt;&gt;&gt;&gt;&gt;<\/strong><\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?p=4469\" target=\"_blank\" rel=\"noopener noreferrer\">Western Jackdaw<\/a><br \/>\n<a href=\"https:\/\/birds-in-flight.net\/?p=4524\" target=\"_blank\" rel=\"noopener noreferrer\">Carrion Crow<\/a><br \/>\nOriental Crow<br \/>\n<a href=\"https:\/\/birds-in-flight.net\/?p=4507\" target=\"_blank\" rel=\"noopener noreferrer\">Hooded Crow<br \/>\n<\/a><a href=\"https:\/\/birds-in-flight.net\/?p=437\" target=\"_blank\" rel=\"noopener noreferrer\">Northern Raven<\/a><br \/>\n<a href=\"https:\/\/birds-in-flight.net\/?p=4485\" target=\"_blank\" rel=\"noopener noreferrer\">Brown-necked Raven<\/a><\/p>\n<p>#songbird #passerine <\/p>\n<p>#ornithology #birdmigration #birdID #birdguide #birding #birdwatching #birdsound #westernpalearctic #europe #vismig #flightcalls #middleeast #northernafrica #workinprogress<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&gt;&gt; GENERAL &gt;&gt;&gt;&gt;&gt; &#8211; large passerine, size of Common Wood Pigeon &#8211; diurnal migrant &#8211; migrates in small to large, rather dense flocks &#8211; regularly mixed with Western Jackdaw &gt;&gt; VISUAL ID &gt;&gt;&gt;&gt;&gt; Rook Rook Corvus f. frugilegus, 1CY BIF0900, 22\/12\/2010, Erfurt, Germany, Mathias Putze Rook Corvus f. frugilegus, 1CY BIF0901, 22\/12\/2010, Erfurt, Germany, Mathias &hellip; <a href=\"https:\/\/birds-in-flight.net\/?p=4452\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Rook<br \/> <em>Corvus frugilegus<\/em><\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":4457,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[160],"class_list":["post-4452","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-corvidae","tag-rook-corvus-frugilegus"],"_links":{"self":[{"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/posts\/4452","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4452"}],"version-history":[{"count":13,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/posts\/4452\/revisions"}],"predecessor-version":[{"id":11711,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/posts\/4452\/revisions\/11711"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/media\/4457"}],"wp:attachment":[{"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4452"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4452"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4452"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}